1084 



INDEX 



Cerebral lobes in primate brain, clilliculties in way of 

 quadrilobular identification, 964, 965 

 evolutional significance of, 964 

 frontal lobe in, indices of, 966-968 

 Cerebral orjjanization in Tarsius spectrum, a stepping 



stone in evolution, I2j 

 Cerebral peduncles, ,7, 230, 272, 274. 2-5 

 in chimpanzee, ^~i, 600-606 

 in dog-headed baboon, 300-304, 325, 330 

 in gibbon, 418-421, 441 

 in gorilla, 657, 676-684 



bearing of, on skilled acts, 682 

 structure of, 682 

 in Lemur mongoz, 36, 38, 62, 63, 66, 68 \ 



in man, 792, 832, 850, 851 

 constituents of, 792, 832 

 function of, 797, 832 



prominence of, 792, 796 , 



in marmoset, 162, t64, 176-179 

 in niycetes 208, 230 

 in orang, 500, 523-531 



relation of, to behavior, 529, 682 



size of basal portion of, to size of area in 

 cerebral cortex, 529 

 in Pithecus rhesus, 364, 385, 386, 389, 399, 401 



bearing of, on behavior, 364, 365 

 relation of, to skilled acts, 164, 272, 364, 365 

 in tarsius, feeble development of, 99, 100, 127-131 

 relation of, to skilled acts, 127 

 Cerebrospinal fluid, 862 



Cerebrum, sensitiveness of, equally to heredity- 

 chromatin and life environment, 12 

 susceptibility in, 12 

 tissue of, its high differentiation, 12 

 Cetacea, 7, 1039 



Chaillu, Paul du, on gorilla, 627-631 

 Chellcan Period, 752, 931 



culture, today, 771 

 Chimpanzee, 12, 22, 89, 477, 479, 487, 494, 497, 543, 

 908. See also Troglodytes nigcr. 

 behavior of, 545-566 

 Chica, 553 



general description of, 545, 546 

 habitat of, 546 



position among primates, 545 

 research on, 546-566 

 Sally, 565 

 species of, 546 

 Sultan, 547, 548 

 Susie, 547 

 Chisel, ^53 



Pages 1-474 are in Volume I, 



Chopper, 758 



Circumferential fiber accumulation in Papio cyno- 



ccphalus, 308, 309, 315, 340, 342, 345 

 Clark, column of, relation of, to dorsal spinocerebellar 

 tract, 252 



to vermis, 253 

 Clark, Le Gros, on tarsius in captivity, 85, 86, 88 



blood tests, 89 

 Clava, in chimpanzee, 5-2, 573 



definition of, 655 



in dog-headed baboon, 301, 302 



in gibbon, 418, 419 



in gorilla, 655, 656, 662 



in human, 797, 798 



in lemur, 38, 39 



in marmoset, 163 



in mycetes, 209 



in orang, 498, 499 



in Pithecus rhesus, 360-363 



in tarsius, 99, 101 

 Cochlear complex in chimpanzee, 619, 622 



dorsal nucleus of, in Pithecus rhesus, 400, 401, 403 



in gibbon, 452 



compared with dog-headed baboon, 452 



in gorilla, 694 



in man, 853 



in marmoset, 188 



in Mycetes seniculus, 238 



in orang, 538, 541 



in tarsius, 135-151 



ventral nucleus of, in Pithecus rhesus, 400, 401 

 Cochlear nerve in lemur, 80, 81 



in mycetes, 238, 239 



in orang, 541 



in Pithecus rhesus, 400, 401 

 Cochlear nuclei in dog-headed baboon, 316 



in lemur, 73, 75, 77, 80 



in man, 852 



in marmoset, 188, 189 



in tarsius, 145-146, 149 

 Collicular commissures in lemur, 81 



in man, 858 

 Colliculi of midbrain. See also Inferior colliculi; 

 Superior colliculi. 



in chimpanzee, 575, 605, 620 



cocfTicients of, 278 



delegation of function of, still in process, 277 



in dog-headed baboon, 340, 344 



in gibbon, 450, 454 



in gorilla, 65-, 694 

 pages 475 1120 in Volume II. 



